2002 Z06 stock bottom end
P1SC (with dual IC's)
3.85 pulley
blower cam (think ECS)
Kooks 1 7/8 LT headers w X pipe and cats, stk Ti mufflers.
Newest A&A bracket
New A&A dongle & filter
71 # injectors

How much RWHP and boost do you think this will make?
What do you think a safe limit should be?
thanks

 

11 PSI of Boost and around 630 RWHP

Thanks,Matt

 

Do you think I should add a Walbro 255LPH or any other fuel system upgrade?

 

thats too much boost on your stock bottom!! it will make 600rwhp!! and then go boom!!

 

If you think your going to make well over 600rwhp which I think your going to hit that pretty quick. I would strongly recommend running a good meth kit with dual nozzles if you want her to live long. I'm pushing 700rwhp on a stock lower end right now. I've had well over 40 1/4 mile passes at least a 25 plus dyno pulls and it's a daily driver. I keep waiting for it to give up the ghost, but it just keeps taking it so far. The problem is with out the meth I think you'll need to pull a ton of timing just so it wont knock at boost over 10. With a good pump and a BAP about 700ish is where I start running out of fuel system with out the meth I'm sure it would have been sooner. Also you better have a good tuner and keep in mind if you push it hard eventually it will break so if you want to play it safe keep it around 7-8 psi and around 550-600 with out a meth kit.

 

very well said

 

With this setup, do you think it can be tuned down to the 550 range and run well?
Other options? Restrictor plate?

 

4.10 pulley!! 9psi of boost

 

What size is the stock pulley?
With a safe tune (supposedly a very good tuner at Mayhem Motorsports in Raleigh), 255 and BAP, and meth kit, will it be safe at around 600? I am not trying to set any records, just want a reliable car, that will live long, but have the most safe power I can get so I just do this once. It will not see the track, only driven on a few nice days a week, and will seldom be tached up.

 

4.38 is stock size with a procharger its about 7 psi

 

Can I get away with just the Alky Control kit and the 255 and be safe?

 

I probably wouldn't push it past 10 psi anything past that and your ring landings might not like you and you'll know if it pops out the dipstick or starts idling like crap. Here is what I did and would suggest. I run the pump that A&A supplies with the kit, a kenne bell boost a pump, and a race tronix fuel pump hard wire kit. The racetronix piece is cheap and you can't build the harness for what they sell them for. I run a stage three snow performance kit that I got from Mike at East Coast performance along with just about every other part. The kit was simple and easy to install. The controller is a digital piece that gets it's pulse width off of the injectors, and also comes with a built in boost control and guage. I opt'ed for the dual nozzle set up. It's easy to tune and if you run there pre mixed boost juice then they give a lifetime warranty on the pump. I also have the "safe boost" set up where if it doesn't see enough flow from the pump it triggers my BOV to open deplete the boost. I'm not sure about the alky control kit, but I have heard good things about it also. I do like the back light on the snow digital module and have it right on my steering column cover so I can watch it at all times and when the boost goes up and the bright red light comes on I know that I'm dumping meth I can also see my pw and boost at all times. I also run a PLX AFR guage it has a nice big LCD digital read out so I can keep an eye on it as well to see if I start running lean. With what you have I'd be suprised if you kept the boost somewhere around 9psi I if you made less than 630-650rwhp maybe more depending on how agressive your tuner is. Either way it's going to be an animal.
Bill

 

I had a procharger p1sc on a stock 2004 ls1 with a 4.00 pulley it made 10psi I also had a meth kit and a boost a pump! it lasted about 2 months then it broke the piston ring lands and pushed out my dipstick with too much blow by the car was good for 6 months before that when i was running a 4.10 pulley @ 8psi but i wanted more power and changed it up good tune and 10 psi it blew the pistons play it safe lower boost you will still have a fast ride! THANKS SCOTT!!

 

What about a restrictor plate?
This is really confusing, because I researched, and from reading other post I thought the 3.85 would give me 8-10 #s so I got one. Seems the boost varies a lot even w similer applications. Won't the dual IC's, cam, and headers reduce the boost a good bit?

 

that will work i would just call procharger monday and talk with them a pulley new is only $80

 

It seems everyones car tends to be a little different. I'd try it worse case lower your shift points. Your right all of those things factor in.

Bill

 

Hey I bet for those two months you had a good time though.
Bill

 

Did you have any other mods at that time (headers, cam)?

 

no just meth and boost a pump!and 10psi it made 550rwhp in a automatic super quiet and ran 11.20 1/4 it was fun

 

OK I think I will try the 4.10 pulley first and if it makes 8-9 then that will be fine.
Or do you guys think it would be better with the 3.85 and a restrictor plate?